TLDR
Enter a command. For example: nologin, wmctrl, btrfs scrub.

upower

 
System utility to provide power and battery information and statistics. More information: https://upower.freedesktop.org/docs/upower.1.html.
 
  • Display power and battery information:
     
    upower --dump
     
  • List all power devices:
     
    upower --enumerate
     
  • Watch for and print power status changes:
     
    upower --monitor
     
  • Watch for and print detailed power status changes:
     
    upower --monitor-detail
     
  • Display version:
     
    upower --version

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